 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.wizards.newresource;

 import java.util.ArrayList ;
 import java.util.Iterator ;
 import java.util.List ;

 import org.eclipse.core.resources.IResource;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.wizard.Wizard;
 import org.eclipse.ui.INewWizard;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.IWorkbenchPartReference;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
 import org.eclipse.ui.part.ISetSelectionTarget;

 /**
  * Abstract base implementation of the standard workbench wizards
  * that create new resources in the workspace.
  * <p>
  * This class is not intended to be subclassed outside this package.
  * </p>
  */
 public abstract class BasicNewResourceWizard extends Wizard implements
         INewWizard {

     /**
      * The workbench.
      */
     private IWorkbench workbench;

     /**
      * The current selection.
      */
     protected IStructuredSelection selection;

     /**
      * Creates an empty wizard for creating a new resource in the workspace.
      */
     protected BasicNewResourceWizard() {
         super();
     }

     /**
      * Returns the selection which was passed to <code>init</code>.
      *
      * @return the selection
      */
     public IStructuredSelection getSelection() {
         return selection;
     }

     /**
      * Returns the workbench which was passed to <code>init</code>.
      *
      * @return the workbench
      */
     public IWorkbench getWorkbench() {
         return workbench;
     }

     /**
      * The <code>BasicNewResourceWizard</code> implementation of this
      * <code>IWorkbenchWizard</code> method records the given workbench and
      * selection, and initializes the default banner image for the pages
      * by calling <code>initializeDefaultPageImageDescriptor</code>.
      * Subclasses may extend.
      */
     public void init(IWorkbench workbench, IStructuredSelection currentSelection) {
         this.workbench = workbench;
         this.selection = currentSelection;

         initializeDefaultPageImageDescriptor();
     }

     /**
      * Initializes the default page image descriptor to an appropriate banner.
      * By calling <code>setDefaultPageImageDescriptor</code>.
      * The default implementation of this method uses a generic new wizard image.
      * <p>
      * Subclasses may reimplement.
      * </p>
      */
     protected void initializeDefaultPageImageDescriptor() {
         ImageDescriptor desc = IDEWorkbenchPlugin.getIDEImageDescriptor("wizban/new_wiz.png");//$NON-NLS-1$
 setDefaultPageImageDescriptor(desc);
     }

     /**
      * Selects and reveals the newly added resource in all parts
      * of the active workbench window's active page.
      *
      * @see ISetSelectionTarget
      */
     protected void selectAndReveal(IResource newResource) {
         selectAndReveal(newResource, getWorkbench().getActiveWorkbenchWindow());
     }

     /**
      * Attempts to select and reveal the specified resource in all
      * parts within the supplied workbench window's active page.
      * <p>
      * Checks all parts in the active page to see if they implement <code>ISetSelectionTarget</code>,
      * either directly or as an adapter. If so, tells the part to select and reveal the
      * specified resource.
      * </p>
      *
      * @param resource the resource to be selected and revealed
      * @param window the workbench window to select and reveal the resource
      *
      * @see ISetSelectionTarget
      */
     public static void selectAndReveal(IResource resource,
             IWorkbenchWindow window) {
         // validate the input
 if (window == null || resource == null) {
             return;
         }
         IWorkbenchPage page = window.getActivePage();
         if (page == null) {
             return;
         }

         // get all the view and editor parts
 List parts = new ArrayList ();
         IWorkbenchPartReference refs[] = page.getViewReferences();
         for (int i = 0; i < refs.length; i++) {
             IWorkbenchPart part = refs[i].getPart(false);
             if (part != null) {
                 parts.add(part);
             }
         }
         refs = page.getEditorReferences();
         for (int i = 0; i < refs.length; i++) {
             if (refs[i].getPart(false) != null) {
                 parts.add(refs[i].getPart(false));
             }
         }

         final ISelection selection = new StructuredSelection(resource);
         Iterator itr = parts.iterator();
         while (itr.hasNext()) {
             IWorkbenchPart part = (IWorkbenchPart) itr.next();

             // get the part's ISetSelectionTarget implementation
 ISetSelectionTarget target = null;
             if (part instanceof ISetSelectionTarget) {
                 target = (ISetSelectionTarget) part;
             } else {
                 target = (ISetSelectionTarget) part
                         .getAdapter(ISetSelectionTarget.class);
             }

             if (target != null) {
                 // select and reveal resource
 final ISetSelectionTarget finalTarget = target;
                 window.getShell().getDisplay().asyncExec(new Runnable () {
                     public void run() {
                         finalTarget.selectReveal(selection);
                     }
                 });
             }
         }
     }
 }

